Amending Title 14 of The Philadelphia Code, relating to "Zoning and Planning," by amending Chapter 14-300, entitled "Commercial Districts," by amending Section 14-305(7)(e)(.2)(.b) by exempting certain corner lots from the application thereof, under certain terms and conditions; and amending the Philadelphia Zoning Maps by changing the zoning designations of certain areas of land located within the area bounded by Walnut Street, 8th Street, Locust Street, and 9th Street, all under certain terms and conditions. — Open Common Ground